import java.util.Scanner;

public class Main {
	private static Scanner input;

	public static void main(String[] args) {
		System.out.println("请输入数字");
		input = new Scanner(System.in);
		int num=input.nextInt();
		if (num > 60) {
			System.out.println("及格 ");
		} else {
			System.out.println("不及格");
		}
	}
}